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QOB3405254 Schneider Electric Electronic Components

QOB3405254 on Powermatic Associates
Schneider Electric

Part#:QOB3405254

Manufacturer:Schneider Electric

Category:Electronic Components

Product Lifecycle:Active

Only 1 left in stock. Order Now!

Oct 28, 2026

Product description

Square D by Schneider Electric QOB3405254 is a Miniature Circuit Breaker (MCB) featuring an auxiliary switch with 1a functionality. It is designed for bolt-on mounting and utilizes a bolt-on connection type. This MCB is rated for a current of 40A and supports both AC and DC operations, with rated voltages of 120V and 240V for AC, and 48Vdc for DC. It accommodates a wire cross-section of 8-2AWG for one copper cable and is equipped with 3 poles. The device includes 1 Normally Open (NO) auxiliary contact. It has a short circuit breaking rating of 10kA at 240Vac and 5kA at 48Vdc. The terminals are of the ring tongue type.

Product Details

  • Mounting Type
    Bolt-on
  • Options
    Shunt trip 120/208/240 V AC
  • Width
    2.25 in (57.15 mm)
  • Range
    QO
  • Current Rating
    40 A
  • Number Of Panel Spaces
    4
  • Depth
    2.91 in (73.91 mm)
  • Electrical Connection
    Ring tongue
  • Circuit Breaker Type
    Standard
  • Wire Size
    AWG 8...AWG 2 copper
  • Ratings
    HACR rated
  • Height
    3.12 in (79.25 mm)
  • Product
    Miniature circuit-breaker
  • Number Of Poles
    3P
  • Tightening Torque
    40.71 lbf.in (4.6 N.m)
  • Voltage Rating
    120/240 V AC 240 V AC 120 V AC 48 V DC
  • Interrupt Rating
    10 kA 120/240 V AC 50/60 Hz 10 kA 240 V AC 50/60 Hz 10 kA 120 V AC 50/60 Hz 5 kA 48 V DC

Product condition

New Factory Sealed

New Factory Sealed - New condition, never used, original OEM part with original packaging and factory seal.

QOB3405254 Related Documents

Catalog-1631029384680.pdfProduct Datasheet-1631029384675.pdf

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QOB3405254 Schneider Electric

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About the manufacturer

Schneider Electric

Powermatic Associates is an authorized Schneider Electric distributor, proudly offering a diverse portfolio of innovative solutions tailored to meet the dynamic needs of today's industrial landscape. Schneider Electric stands as a global leader in energy management and automation, providing cutting-edge products and services that drive efficiency and sustainability across a variety of sectors. The...

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FAQ

1 in stock

Square D by Schneider Electric QOB3405254 is a Miniature Circuit Breaker (MCB) featuring an auxiliary switch with 1a functionality. It is designed for bolt-on mounting and utilizes a bolt-on connection type. This MCB is rated for a current of 40A and supports both AC and DC operations, with rated voltages of 120V and 240V for AC, and 48Vdc for DC. It accommodates a wire cross-section of 8-2AWG for one copper cable and is equipped with 3 poles. The device includes 1 Normally Open (NO) auxiliary contact. It has a short circuit breaking rating of 10kA at 240Vac and 5kA at 48Vdc. The terminals are of the ring tongue type.

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